#任务1：print，变量，输入，条件语句

print("hello world")  #打印字符串
name= "Alice"
print(name) #打印变量值

age = 25
age = 25
print("name",name,"Age",age) #打印多个变量的值

price = 9.99
price = 9.99
print(f"The price is:{price}") #格式化字符串

counter =100 #整数变量
miles =1000.0  #浮点型
name = "John"  #字符串型

